Displaying operating state of PCMCIA cards
(Original Document)
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General
Two diagnostics LEDs are located on the front of the card. They inform the user on the status of exchanges between the device supporting the PCMCIA card and related devices.
Illustration
Number
Description
Diagram
1
"ERR" Error LED (normally off) displays errors.
It is red
2
The "COM" communication LED displays line activity.
This LED is yellow